13396666837 has 2 divisors, whose sum is σ = 13396666838. Its totient is φ = 13396666836.

The previous prime is 13396666831. The next prime is 13396666861. The reversal of 13396666837 is 73866669331.

13396666837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13246628836 + 150038001 = 115094^2 + 12249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13396666837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13396666831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6698333418 + 6698333419.

It is an arithmetic number, because the mean of its divisors is an integer number (6698333419).

Almost surely, 2^13396666837 is an apocalyptic number.

It is an amenable number.

13396666837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13396666837 is an equidigital number, since it uses as much as digits as its factorization.

13396666837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 58.

The spelling of 13396666837 in words is "thirteen billion, three hundred ninety-six million, six hundred sixty-six thousand, eight hundred thirty-seven".